Telemetry version 1 on APM 2.5

I messed up the wires on the transmitter part of my telemetry. I can't find a clear picture with them. Can anyone help me? I'm interested in the wires from telemetry to apm. Thanks!

This cable is the problem: 3691117204?profile=original

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  • What do you expect?

    On APM PCB you should have pin markings for telemetry socket (from the edge):

    - GND

    - blank

    - Rx

    - Tx

    - +5V

    On radiomodem you should have pins described on PCB.

    The only mistery is that you have to connect Rx to Tx and vice versa...

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